49ers RB Christian McCaffrey (calf) inactive vs. Jets

(Photo credit: D. Ross Cameron-Imagn Images)
San Francisco 49ers star running back Christian McCaffrey is inactive for Monday's season opener against the visiting New York Jets.

McCaffrey, the reigning NFL Offensive Player of the Year, was listed as questionable but insisted Friday that he would not miss the game. He had nursed a strained calf throughout training camp, and Niners coach Kyle Shanahan revealed last week th